Muscle Contraction Without Oxygen: Acid Formation
When muscles contract intensely, especially when the oxygen supply is limited (anaerobic conditions), they rely on anaerobic respiration to produce energy.
Anaerobic Respiration Process
- Normally, cellular respiration uses oxygen to break down glucose completely, producing ATP, carbon dioxide, and water.
- During strenuous activity or oxygen deprivation, muscles first break down glucose into pyruvate through glycolysis. This yields a small amount of ATP.
- In the absence of oxygen, pyruvate cannot enter the normal aerobic respiration pathway.
- Instead, pyruvate is converted into Lactate (lactic acid). This process regenerates NAD+, which is essential for glycolysis to continue producing ATP.
Resulting Acid
The acid formed during this anaerobic process in muscles is lactic acid, which dissociates into lactate and hydrogen ions. Therefore, Lactate is the primary product.
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Important Questions from Mixed Topic (CUET PG)
- Who was the founder of Bolshevik Communist party?
- What is the key guide to statecraft in the realist tradition?
- Chronologically arrange the events in the Cold War period.
A. Berlin Wall is constructed
B. Communist China joins the UN
C. Soviet invasion of Czechoslovakia
D. Berlin Blockade
Choose the correct answer from the options given below: Morgenthau's principles of political realism are:
A. Politics is rooted in permanent and unchanging human nature which is basically self centred, self-regarding and self-interested
B. Politics is an autonomous sphere of action and cannot therefore be reduced to morals
C. International Politics is an arena of conflicting self-interests
D. The ethics of international relations is situational ethics which is very different from private morality
Choose the correct answer from the options given below:Who among the following political thinkers consider the anarchical self help system to be a compelling factor for States to maximise their relative power positions?
